<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-if和v-show指令</title>
</head>
<body>
    <div id = "app">
        <p v-if="show">第一段文字</p>
        <p v-show="show">第二段文字</p>
    </div>
    
</body>
<script>
    var vm = new Var({
        el:'#app',
        data:{
            show:true
        }
    })
</script>
</html>